[Bug c/95161] New: [10/11 Regression] internal compiler error: in gimplify_expr, at gimplify.c:14609

[Bug c/95161] New: [10/11 Regression] internal compiler error: in gimplify_expr, at gimplify.c:14609

[anbu1024.me at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95161

            Bug ID: 95161
           Summary: [10/11 Regression] internal compiler error: in
                    gimplify_expr, at gimplify.c:14609
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: anbu1024.me at gmail dot com
  Target Milestone: ---

$ cat test.c 

unsigned short * x = 0 ; 

int foo ( void ) { * x = 0 ; } 

int x [ ] = { 1 , 2 , 3 }


$ gcc-11 --version
gcc (GCC) 11.0.0 20200510 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


$ gcc-11 test.c 
test.c:6:5: error: conflicting types for ‘x’
    6 | int x [ ] = { 1 , 2 , 3 }
      |     ^
test.c:2:18: note: previous definition of ‘x’ was here
    2 | unsigned short * x = 0 ;
      |                  ^
test.c:6:1: error: expected ‘,’ or ‘;’ at end of input
    6 | int x [ ] = { 1 , 2 , 3 }
      | ^~~
test.c: In function ‘foo’:
test.c:4:20: internal compiler error: in gimplify_expr, at gimplify.c:14609
    4 | int foo ( void ) { * x = 0 ; }
      |                    ^~~
0x674c01 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-11-20200510/gcc/gimplify.c:14609
0xb0192a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-11-20200510/gcc/gimplify.c:13706
0xb1669f gimplify_modify_expr
        ../../gcc-11-20200510/gcc/gimplify.c:5759
0xaff80c gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-11-20200510/gcc/gimplify.c:13585
0xb02e76 gimplify_stmt(tree_node**, gimple**)
        ../../gcc-11-20200510/gcc/gimplify.c:6802
0xb03b43 gimplify_bind_expr
        ../../gcc-11-20200510/gcc/gimplify.c:1411
0xb00383 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-11-20200510/gcc/gimplify.c:13786
0xb17a87 gimplify_stmt(tree_node**, gimple**)
        ../../gcc-11-20200510/gcc/gimplify.c:6802
0xb17a87 gimplify_body(tree_node*, bool)
        ../../gcc-11-20200510/gcc/gimplify.c:14834
0xb17ebd gimplify_function_tree(tree_node*)
        ../../gcc-11-20200510/gcc/gimplify.c:14988
0x962f47 cgraph_node::analyze()
        ../../gcc-11-20200510/gcc/cgraphunit.c:670
0x965b47 analyze_functions
        ../../gcc-11-20200510/gcc/cgraphunit.c:1227
0x966712 symbol_table::finalize_compilation_unit()
        ../../gcc-11-20200510/gcc/cgraphunit.c:2971
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


$ gcc-10 --version
gcc (GCC) 10.0.1 20200419 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


$ gcc-10 test.c 
test.c:6:5: error: conflicting types for ‘x’
    6 | int x [ ] = { 1 , 2 , 3 }
      |     ^
test.c:2:18: note: previous definition of ‘x’ was here
    2 | unsigned short * x = 0 ;
      |                  ^
test.c:6:1: error: expected ‘,’ or ‘;’ at end of input
    6 | int x [ ] = { 1 , 2 , 3 }
      | ^~~
test.c: In function ‘foo’:
test.c:4:20: internal compiler error: in gimplify_expr, at gimplify.c:14632
    4 | int foo ( void ) { * x = 0 ; }
      |                    ^~~
0x674570 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-10-20200419/gcc/gimplify.c:14632
0xaff66a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-10-20200419/gcc/gimplify.c:13729
0xb1453f gimplify_modify_expr
        ../../gcc-10-20200419/gcc/gimplify.c:5782
0xafd53c gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-10-20200419/gcc/gimplify.c:13608
0xb00bd6 gimplify_stmt(tree_node**, gimple**)
        ../../gcc-10-20200419/gcc/gimplify.c:6825
0xb0199b gimplify_bind_expr
        ../../gcc-10-20200419/gcc/gimplify.c:1424
0xafe0b3 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc-10-20200419/gcc/gimplify.c:13809
0xb15927 gimplify_stmt(tree_node**, gimple**)
        ../../gcc-10-20200419/gcc/gimplify.c:6825
0xb15927 gimplify_body(tree_node*, bool)
        ../../gcc-10-20200419/gcc/gimplify.c:14857
0xb15e53 gimplify_function_tree(tree_node*)
        ../../gcc-10-20200419/gcc/gimplify.c:15030
0x9607d7 cgraph_node::analyze()
        ../../gcc-10-20200419/gcc/cgraphunit.c:670
0x9633f7 analyze_functions
        ../../gcc-10-20200419/gcc/cgraphunit.c:1227
0x963fc2 symbol_table::finalize_compilation_unit()
        ../../gcc-10-20200419/gcc/cgraphunit.c:2974
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

[Bug c/95161] [10/11 Regression] internal compiler error: in gimplify_expr, at gimplify.c:14609

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95161

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Still a dup of bug 94730.

*** This bug has been marked as a duplicate of bug 94730 ***